AU2017243171B2 - Optically variable device and method of forming thereof - Google Patents

Optically variable device and method of forming thereof Download PDF

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Publication number
AU2017243171B2
AU2017243171B2 AU2017243171A AU2017243171A AU2017243171B2 AU 2017243171 B2 AU2017243171 B2 AU 2017243171B2 AU 2017243171 A AU2017243171 A AU 2017243171A AU 2017243171 A AU2017243171 A AU 2017243171A AU 2017243171 B2 AU2017243171 B2 AU 2017243171B2
Authority
AU
Australia
Prior art keywords
light
layer
optical interference
interference structure
structure material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
AU2017243171A
Other languages
English (en)
Other versions
AU2017243171A1 (en
AU2017243171A2 (en
Inventor
Robert Whiteman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De la Rue International Ltd
Original Assignee
De la Rue International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58455354&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2017243171(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by De la Rue International Ltd filed Critical De la Rue International Ltd
Publication of AU2017243171A1 publication Critical patent/AU2017243171A1/en
Publication of AU2017243171A2 publication Critical patent/AU2017243171A2/en
Application granted granted Critical
Publication of AU2017243171B2 publication Critical patent/AU2017243171B2/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
    • G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/003—Light absorbing elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
AU2017243171A 2016-03-31 2017-03-23 Optically variable device and method of forming thereof Active AU2017243171B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1605404.1 2016-03-31
GB1605404.1A GB2548862B (en) 2016-03-31 2016-03-31 Optically variable device and method of forming thereof
PCT/GB2017/050822 WO2017168124A1 (en) 2016-03-31 2017-03-23 Optically variable device and method of forming thereof

Publications (3)

Publication Number Publication Date
AU2017243171A1 AU2017243171A1 (en) 2018-10-11
AU2017243171A2 AU2017243171A2 (en) 2019-01-03
AU2017243171B2 true AU2017243171B2 (en) 2022-03-31

Family

ID=58455354

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2017243171A Active AU2017243171B2 (en) 2016-03-31 2017-03-23 Optically variable device and method of forming thereof

Country Status (6)

Country Link
US (1) US20190111723A1 (de)
EP (1) EP3436285B2 (de)
AU (1) AU2017243171B2 (de)
CA (1) CA3019419A1 (de)
GB (1) GB2548862B (de)
WO (1) WO2017168124A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109445091B (zh) * 2018-11-06 2021-01-29 肇庆市华师大光电产业研究院 一种电压可调谐驱动的干涉滤色器及其制备方法
FR3105878B1 (fr) * 2019-12-26 2023-10-27 Aledia Dispositif à composants optoélectroniques tridimensionnels pour découpe au laser et procédé de découpe au laser d'un tel dispositif

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100253061A1 (en) * 2007-10-19 2010-10-07 De La Rue International Limited Photonic crystal security device and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0601635D0 (en) * 2006-01-26 2006-03-08 Rue De Int Ltd Security document
GB2438383B (en) 2006-05-26 2008-10-08 Rue De Int Ltd Improvements in substrates
GB0615919D0 (en) * 2006-08-10 2006-09-20 Rue De Int Ltd Photonic crystal security device
GB0615921D0 (en) * 2006-08-10 2006-09-20 Rue De Int Ltd Photonic crystal security device
DE102008027952A1 (de) 2008-06-12 2009-12-17 Giesecke & Devrient Gmbh Sicherheitselement mit gerasterter Schicht aus Rasterelementen
CA2656506A1 (en) * 2009-02-27 2010-08-27 Bank Of Canada Security device
GB2474903B (en) * 2009-10-30 2012-02-01 Rue De Int Ltd Improvements in security devices
WO2014201559A1 (en) * 2013-06-17 2014-12-24 Corporation De L'ecole Polytechnique De Montreal Interference security image structure
GB201400910D0 (en) * 2014-01-20 2014-03-05 Rue De Int Ltd Security elements and methods of their manufacture
FR3025742B1 (fr) 2014-09-17 2016-10-21 Arjowiggins Security Element de securite

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100253061A1 (en) * 2007-10-19 2010-10-07 De La Rue International Limited Photonic crystal security device and method

Also Published As

Publication number Publication date
EP3436285B2 (de) 2024-04-10
GB2548862A (en) 2017-10-04
EP3436285B1 (de) 2020-05-27
WO2017168124A1 (en) 2017-10-05
AU2017243171A1 (en) 2018-10-11
EP3436285A1 (de) 2019-02-06
AU2017243171A2 (en) 2019-01-03
CA3019419A1 (en) 2017-10-05
US20190111723A1 (en) 2019-04-18
GB2548862B (en) 2020-06-10

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Legal Events

Date Code Title Description
DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS SHOWN IN THE STATEMENT FILED 07 DEC 2018

FGA Letters patent sealed or granted (standard patent)